..These results provide the first evidence of criterion-related validity for the PCET and are part of a growing literature suggesting a relationship between performance on measures of executive function and work skills...

The Penn Conditional Exclusion Test: a new measure of executive-function with alternate forms of repeat administration

..Divergent validity was established through low, nonsignificant correlations between the PCET and measures of facial emotion recognition, word and face memory, visuospatial function, and verbal reasoning...

..These findings emphasize the importance of verbal learning for benefiting from psychosocial and cognitive rehabilitation interventions, and suggest the development of alternative rehabilitation strategies for those who do not benefit...

Virtual reality assessment of medication compliance in patients with schizophrenia

..Correlations between the data may suggest a convergent validity for this new VR task. Future research will investigate the validity of this task in predicting additional measures of psychosocial functioning...

Development of an abbreviated schizophrenia quality of life scale using a new method

Warren B BilkerSchizophrenia Research Center, Neuropsychiatry Section, Department of Psychiatry, University of Pennsylvania School of Medicine, Philadelphia, USANeuropsychopharmacology 28:773-7. 2003

..This reduces the effort associated with scale administration and is likely to increase the assessment of an important functional domain. Such models can guide efforts for item reduction in other rating instruments...

..52) and negative symptoms (d = 0.40), and small mean effect sizes for other symptoms (d = 0.15) and relapse (d = 0.23). These results support the efficacy of social skills training for improving psychosocial functioning in schizophrenia...